3Com Switch 7750 Configuration Guide

358 CHAPTER 36: BGP CONFIGURATION
Enabling Default Route
Advertising
n
With the peer default-route-advertise command executed, no matter whether
the default route is in the local routing table or not, a BGP router sends a default
route, whose next hop address is the local address, to the specified peer or peer
group.
Configuring the BGP
Route Advertising Policy
Table 292 Configure BGP route aggregation
Operation Command Description
Enter system view system-view -
Enable BGP, and enter BGP view bgp as-number Required
By default, BGP is
disabled.
Configure BGP
route aggregation
Enable automatic
route aggregation
summary Required
By default, routes are
not aggregated. Enable manual
route aggregation
aggregate ip-address
mask [ as-set |
attribute-policy
route-policy-name |
detail-suppressed |
origin-policy
route-policy-name |
suppress-policy
route-policy-name ]*
Table 293 Enable default rout advertising
Operation Command Description
Enter system view system-view -
Enable BGP, and enter BGP
view
bgp as-number Required
By default, BGP is disabled.
Enable default route
advertising
peer group-name
default-route-advertise
Required
By default, a BGP router does
not send default routes to a
specified peer group.
Table 294 Configure the BGP route advertising policy
Operation Command Description
Enter system view system-view -
Enable BGP, and enter BGP
view
bgp as-number Required
By default, BGP is disabled.
Filter the advertised routes filter-policy { acl-number |
ip-prefix ip-prefix-name }
export [ protocol
[ process-id ]]
Required
By default, advertised routes
are not filtered.
Specify a route advertising
policy for the routes
advertised to a peer group
peer group-name
route-policy
route-policy-name export
Required
By default, no route advertising
policy is specified for the routes
advertised to a peer group.